比如 首先输入 ls /usr/local/nginx/conf/ 然后我想cd 进入这个目录 可以输入 cd (Alt + .)
然后自动在cd后补充 /usr/local/nginx/conf/ 非常方便，并且可以调出之前命令的所有参数，比快捷键ESC+> 要强大很多
bind "\e.": yank-last-arg
这是bash的readline库的快捷键。上面的命令是设定按键绑定的。把参数用单引号引起来。
++++++++++++++++++++++++++++++++++++++
[root@bogon ~]# bind -p
"\C-g": abort
"\C-x\C-g": abort
"\e\C-g": abort
"\C-j": accept-line
"\C-m": accept-line
# alias-expand-line (not bound)
# arrow-key-prefix (not bound)
# backward-byte (not bound)
"\C-b": backward-char
"\eOD": backward-char
"\e[D": backward-char
"\C-h": backward-delete-char
"\C-?": backward-delete-char
"\C-x\C-?": backward-kill-line
"\e\C-h": backward-kill-word
"\e\C-?": backward-kill-word
"\eOd": backward-word
"\e[1;5D": backward-word
"\e[5D": backward-word
"\eb": backward-word
"\e<": beginning-of-history
"\C-a": beginning-of-line
"\eOH": beginning-of-line
"\e[1~": beginning-of-line
"\e[H": beginning-of-line
"\C-xe": call-last-kbd-macro
"\ec": capitalize-word
"\C-]": character-search
"\e\C-]": character-search-backward
"\C-l": clear-screen
"\C-i": complete
"\e\e": complete
"\e!": complete-command
"\e/": complete-filename
"\e@": complete-hostname
"\e{": complete-into-braces
"\e~": complete-username
"\e$": complete-variable
# copy-backward-word (not bound)
# copy-forward-word (not bound)
# copy-region-as-kill (not bound)
# dabbrev-expand (not bound)
"\C-d": delete-char
"\e[3~": delete-char
# delete-char-or-list (not bound)
"\e\\": delete-horizontal-space
"\e-": digit-argument
"\e0": digit-argument
"\e1": digit-argument
"\e2": digit-argument
"\e3": digit-argument
"\e4": digit-argument
"\e5": digit-argument
"\e6": digit-argument
"\e7": digit-argument
"\e8": digit-argument
"\e9": digit-argument
"\C-x\C-v": display-shell-version
"\C-xA": do-lowercase-version
"\C-xB": do-lowercase-version
"\C-xC": do-lowercase-version
"\C-xD": do-lowercase-version
"\C-xE": do-lowercase-version
"\C-xF": do-lowercase-version
"\C-xG": do-lowercase-version
"\C-xH": do-lowercase-version
"\C-xI": do-lowercase-version
"\C-xJ": do-lowercase-version
"\C-xK": do-lowercase-version
"\C-xL": do-lowercase-version
"\C-xM": do-lowercase-version
"\C-xN": do-lowercase-version
"\C-xO": do-lowercase-version
"\C-xP": do-lowercase-version
"\C-xQ": do-lowercase-version
"\C-xR": do-lowercase-version
"\C-xS": do-lowercase-version
"\C-xT": do-lowercase-version
"\C-xU": do-lowercase-version
"\C-xV": do-lowercase-version
"\C-xW": do-lowercase-version
"\C-xX": do-lowercase-version
"\C-xY": do-lowercase-version
"\C-xZ": do-lowercase-version
"\eA": do-lowercase-version
"\eB": do-lowercase-version
"\eC": do-lowercase-version
"\eD": do-lowercase-version
"\eE": do-lowercase-version
"\eF": do-lowercase-version
"\eG": do-lowercase-version
"\eH": do-lowercase-version
"\eI": do-lowercase-version
"\eJ": do-lowercase-version
"\eK": do-lowercase-version
"\eL": do-lowercase-version
"\eM": do-lowercase-version
"\eN": do-lowercase-version
"\eP": do-lowercase-version
"\eQ": do-lowercase-version
"\eR": do-lowercase-version
"\eS": do-lowercase-version
"\eT": do-lowercase-version
"\eU": do-lowercase-version
"\eV": do-lowercase-version
"\eW": do-lowercase-version
"\eX": do-lowercase-version
"\eY": do-lowercase-version
"\eZ": do-lowercase-version
"\el": downcase-word
# dump-functions (not bound)
# dump-macros (not bound)
# dump-variables (not bound)
"\e\C-i": dynamic-complete-history
"\C-x\C-e": edit-and-execute-command
# emacs-editing-mode (not bound)
"\C-x)": end-kbd-macro
"\e>": end-of-history
"\C-e": end-of-line
"\eOF": end-of-line
"\e[4~": end-of-line
"\e[8~": end-of-line
"\e[F": end-of-line
"\C-x\C-x": exchange-point-and-mark
# forward-backward-delete-char (not bound)
# forward-byte (not bound)
"\C-f": forward-char
"\eOC": forward-char
"\e[C": forward-char
"\C-s": forward-search-history
"\eOc": forward-word
"\e[1;5C": forward-word
"\e[5C": forward-word
"\ef": forward-word
"\eg": glob-complete-word
"\C-x*": glob-expand-word
"\C-xg": glob-list-expansions
# history-and-alias-expand-line (not bound)
"\e^": history-expand-line
"\e[5~": history-search-backward
"\e[6~": history-search-forward
"\e#": insert-comment
"\e*": insert-completions
"\e.": insert-last-argument
"\e_": insert-last-argument
"\C-k": kill-line
# kill-region (not bound)
# kill-whole-line (not bound)
"\ed": kill-word
# magic-space (not bound)
# menu-complete (not bound)
# menu-complete-backward (not bound)
"\C-n": next-history
"\eOB": next-history
"\e[B": next-history
"\en": non-incremental-forward-search-history
# non-incremental-forward-search-history-again (not bound)
"\ep": non-incremental-reverse-search-history
# non-incremental-reverse-search-history-again (not bound)
# old-menu-complete (not bound)
"\C-o": operate-and-get-next
# overwrite-mode (not bound)
"\C-x!": possible-command-completions
"\e=": possible-completions
"\e?": possible-completions
"\C-x/": possible-filename-completions
"\C-x@": possible-hostname-completions
"\C-x~": possible-username-completions
"\C-x$": possible-variable-completions
"\C-p": previous-history
"\eOA": previous-history
"\e[A": previous-history
"\C-q": quoted-insert
"\C-v": quoted-insert
"\e[2~": quoted-insert
# redraw-current-line (not bound)
"\C-x\C-r": re-read-init-file
"\C-r": reverse-search-history
"\e\C-r": revert-line
"\er": revert-line
" ": self-insert
"!": self-insert
"\"": self-insert
"#": self-insert
"$": self-insert
"%": self-insert
"&": self-insert
"'": self-insert
"(": self-insert
")": self-insert
"*": self-insert
"+": self-insert
",": self-insert
"-": self-insert
".": self-insert
"/": self-insert
"0": self-insert
"1": self-insert
"2": self-insert
"3": self-insert
"4": self-insert
"5": self-insert
"6": self-insert
"7": self-insert
"8": self-insert
"9": self-insert
":": self-insert
";": self-insert
"<": self-insert
"=": self-insert
">": self-insert
"?": self-insert
"@": self-insert
"A": self-insert
"B": self-insert
"C": self-insert
"D": self-insert
"E": self-insert
"F": self-insert
"G": self-insert
"H": self-insert
"I": self-insert
"J": self-insert
"K": self-insert
"L": self-insert
"M": self-insert
"N": self-insert
"O": self-insert
"P": self-insert
"Q": self-insert
"R": self-insert
"S": self-insert
"T": self-insert
"U": self-insert
"V": self-insert
"W": self-insert
"X": self-insert
"Y": self-insert
"Z": self-insert
"[": self-insert
"\\": self-insert
"]": self-insert
"^": self-insert
"_": self-insert
"`": self-insert
"a": self-insert
"b": self-insert
"c": self-insert
"d": self-insert
"e": self-insert
"f": self-insert
"g": self-insert
"h": self-insert
"i": self-insert
"j": self-insert
"k": self-insert
"l": self-insert
"m": self-insert
"n": self-insert
"o": self-insert
"p": self-insert
"q": self-insert
"r": self-insert
"s": self-insert
"t": self-insert
"u": self-insert
"v": self-insert
"w": self-insert
"x": self-insert
"y": self-insert
"z": self-insert
"{": self-insert
"|": self-insert
"}": self-insert
"~": self-insert
"\200": self-insert
"\201": self-insert
"\202": self-insert
"\203": self-insert
"\204": self-insert
"\205": self-insert
"\206": self-insert
"\207": self-insert
"\210": self-insert
"\211": self-insert
"\212": self-insert
"\213": self-insert
"\214": self-insert
"\215": self-insert
"\216": self-insert
"\217": self-insert
"\220": self-insert
"\221": self-insert
"\222": self-insert
"\223": self-insert
"\224": self-insert
"\225": self-insert
"\226": self-insert
"\227": self-insert
"\230": self-insert
"\231": self-insert
"\232": self-insert
"\233": self-insert
"\234": self-insert
"\235": self-insert
"\236": self-insert
"\237": self-insert
"
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